Painted steel sheet provided with a zinc coating
US11525182B2 · kind B2 · utility
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16References
15Claims
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Assignee
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Key dates
| Filing date | Apr 11, 2019 |
| Grant date | Dec 13, 2022 |
| Priority date | — |
| Expiry date | Apr 11, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25D13/16
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A steel sheet is provided with a coating having at least one layer of zinc and a top layer of paint applied by cataphoresis. The zinc layer is deposited by a jet vapor deposition process in a deposition chamber maintained at a pressure between 6·10−2 mbar and 2·10−1 mbar. A fabrication method and an installation are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.